At the start of class "Please teach me"

Onegai shimasu

o-ne-gai shi-masu

At the end of class "Thank you very much"

Domo arigato gozai mashita

Doh-moh ah-ree-gah-toh goh-zah-ee-mash-tah

Thank you

Domo arigato

Doh-moh ah-ree-gah-toh

Wrong

Dame

Da-me

Start

Hajime

ha-ji-me

Stop

Yame

ya-me